/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.handler.skillhandlers;

import net.sf.l2j.gameserver.datatables.NpcTable;
import net.sf.l2j.gameserver.handler.ISkillHandler;
import net.sf.l2j.gameserver.idfactory.IdFactory;
import net.sf.l2j.gameserver.instancemanager.CastleManager;
import net.sf.l2j.gameserver.instancemanager.FortManager;
import net.sf.l2j.gameserver.instancemanager.FortSiegeManager;
import net.sf.l2j.gameserver.instancemanager.SiegeManager;
import net.sf.l2j.gameserver.model.L2Character;
import net.sf.l2j.gameserver.model.L2Object;
import net.sf.l2j.gameserver.model.L2Skill;
import net.sf.l2j.gameserver.model.L2Skill.SkillType;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.model.actor.instance.L2SiegeFlagInstance;
import net.sf.l2j.gameserver.model.entity.Castle;
import net.sf.l2j.gameserver.model.entity.Fort;

public class SiegeFlag implements ISkillHandler {
	private static final SkillType[] SKILL_IDS = { SkillType.SIEGEFLAG };

	public void useSkill(L2Character activeChar, L2Skill skill,
			L2Object[] targets) {
		if (activeChar == null || !(activeChar instanceof L2PcInstance))
			return;

		L2PcInstance player = (L2PcInstance) activeChar;

		if (player.getClan() == null
				|| player.getClan().getLeaderId() != player.getObjectId())
			return;

		Castle castle = CastleManager.getInstance().getCastle(player);
		Fort fort = FortManager.getInstance().getFort(player);

		if (castle == null && fort == null)
			return;

		if (castle != null) {
			if (!checkIfOkToPlaceFlag(player, castle, true))
				return;
		} else if (!checkIfOkToPlaceFlag(player, fort, true))
			return;

		try {
			L2SiegeFlagInstance flag = new L2SiegeFlagInstance(player,
					IdFactory.getInstance().getNextId(), NpcTable.getInstance()
							.getTemplate(35062));
			flag.setTitle(player.getClan().getName());
			flag.setCurrentHpMp(flag.getMaxHp(), flag.getMaxMp());
			flag.setHeading(player.getHeading());
			flag.spawnMe(player.getX(), player.getY(), player.getZ() + 50);
			if (castle != null)
				castle.getSiege().getFlag(player.getClan()).add(flag);
			else
				fort.getSiege().getFlag(player.getClan()).add(flag);

		} catch (Exception e) {
			player.sendMessage("Error placing flag:" + e);
		}
	}

	public SkillType[] getSkillIds() {
		return SKILL_IDS;
	}

	public static boolean checkIfOkToPlaceFlag(L2Character activeChar,
			boolean isCheckOnly) {
		Castle castle = CastleManager.getInstance().getCastle(activeChar);
		Fort fort = FortManager.getInstance().getFort(activeChar);

		if (castle == null && fort == null)
			return false;
		if (castle != null)
			return checkIfOkToPlaceFlag(activeChar, castle, isCheckOnly);
		else
			return checkIfOkToPlaceFlag(activeChar, fort, isCheckOnly);
	}

	public static boolean checkIfOkToPlaceFlag(L2Character activeChar,
			Castle castle, boolean isCheckOnly) {
		if (!(activeChar instanceof L2PcInstance))
			return false;

		String text = "";
		L2PcInstance player = (L2PcInstance) activeChar;

		if (castle == null || castle.getCastleId() <= 0)
			text = "You must be on castle ground to place a flag.";
		else if (!castle.getSiege().getIsInProgress())
			text = "You can only place a flag during a siege.";
		else if (castle.getSiege().getAttackerClan(player.getClan()) == null)
			text = "You must be an attacker to place a flag.";
		else if (player.getClan() == null || !player.isClanLeader())
			text = "You must be a clan leader to place a flag.";
		else if (castle.getSiege().getAttackerClan(player.getClan())
				.getNumFlags() >= SiegeManager.getInstance().getFlagMaxCount())
			text = "You have already placed the maximum number of flags possible.";
		else
			return true;

		if (!isCheckOnly)
			player.sendMessage(text);
		return false;
	}

	public static boolean checkIfOkToPlaceFlag(L2Character activeChar,
			Fort fort, boolean isCheckOnly) {
		if (!(activeChar instanceof L2PcInstance))
			return false;

		String text = "";
		L2PcInstance player = (L2PcInstance) activeChar;

		if (fort == null || fort.getFortId() <= 0)
			text = "You must be on fort ground to place a flag.";
		else if (!fort.getSiege().getIsInProgress())
			text = "You can only place a flag during a siege.";
		else if (fort.getSiege().getAttackerClan(player.getClan()) == null)
			text = "You must be an attacker to place a flag.";
		else if (player.getClan() == null || !player.isClanLeader())
			text = "You must be a clan leader to place a flag.";
		else if (fort.getSiege().getAttackerClan(player.getClan())
				.getNumFlags() >= FortSiegeManager.getInstance()
				.getFlagMaxCount())
			text = "You have already placed the maximum number of flags possible.";
		else
			return true;

		if (!isCheckOnly)
			player.sendMessage(text);
		return false;
	}

}
